/*
 * fcghao
 * .
 */
package com.tlf.dyjc5.servlet.system;

import com.tlf.dyjc5.service.UserService;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.commonutil.CipherUtil;
import org.dusin.web.util.JsonUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 *
 * @author tengyu
 */
public class PwdChange extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
            UserService userService = (UserService)context.getBean("userService");
            int  result = -2;           
            long userId =(Long)request.getSession().getAttribute("userId");
            String oldPwd = request.getParameter("pa33");
            String newPwd = request.getParameter("pa44");
            oldPwd = CipherUtil.decode(oldPwd);
            newPwd = CipherUtil.decode(newPwd);
            result=userService.changePassword(userId,oldPwd,newPwd);
             //1 成功  -1旧密码错误   其他错误
            switch(result){
                case 1:
                    out.println(JsonUtil.createSuccessJsonResponse(""));
                    break;
                case -1:
                    out.println(JsonUtil.createSuccessJsonResponse("修改密码失败，原始密码错误"));
                    break;
                default:
                    out.println(JsonUtil.createSuccessJsonResponse("内部错误"));
                    break;
            }

        }catch(DuplicateKeyException e ){
            String msg = e.getMessage();
            if(msg.indexOf("NAME_t_org")!=-1)
                out.print(JsonUtil.createFailureJsonResponse("不明错误"));
        }catch(Exception e){
            e.printStackTrace();
            out.print(JsonUtil.createFailureJsonResponse("不明操作错误"));
        }finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
